Update llm_setup/llm_setup.py

llm_setup/llm_setup.py

@@ -40,10 +40,10 @@ class LLMService:
         Initializes the conversational RAG chain.
         """
         ### Contextualize question ###
-        contextualize_q_system_prompt = """Given a chat history and the latest user question \
-        which might reference context in the chat history, formulate a standalone question \
-        which can be understood without the chat history. Do NOT answer the question, \
-        just reformulate it if needed and otherwise return it as is."""
+        contextualize_q_system_prompt = """Given the full chat history and the latest user message, \
+        rewrite the message as a fully self-contained question that can be understood without any prior context. \
+        Preserve intent and key entities, expand pronouns and references, and include necessary constraints, dates, or assumptions. \
+        Do not add new information, do not omit essential details, and do not answer the question. Return only the rewritten question."""
 
         contextualize_q_prompt = ChatPromptTemplate.from_messages(
             [